title: Tumours involving the brain-stem; a study of 90 cases arising in the brain-stem, fourth ventricle, and pineal tissue.
mesh_terms: D020295:Brain Stem Neoplasms; D002551:Cerebral Ventricle Neoplasms; D020546:Fourth Ventricle; D006801:Humans; D017348:Microscopy, Electron, Scanning Transmission; D009369:Neoplasms; D010870:Pineal Gland; D010871:Pinealoma
keywords: BRAIN STEM/neoplasms; CEREBRAL VENTRICLES/neoplasms; PINEAL BODY/neoplasms